actionview/lib/action_view/helpers/tags/text_field.rb


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require "action_view/helpers/tags/placeholderable"

module ActionView
  module Helpers
    module Tags # :nodoc:
      class TextField < Base # :nodoc:
        include Placeholderable

        def render
          options = @options.stringify_keys
          options["size"] = options["maxlength"] unless options.key?("size")
          options["type"] ||= field_type
          options["value"] = options.fetch("value") { value_before_type_cast(object) } unless field_type == "file"
          add_default_name_and_id(options)
          tag("input", options)
        end

        class << self
          def field_type
            @field_type ||= name.split("::").last.sub("Field", "").downcase
          end
        end

        private

          def field_type
            self.class.field_type
          end
      end
    end
  end
end